tinba | 46c5d63508cd0fd45986b60c15e9c98d3ec3082645c29a5f270ef8a3fe2880d4

General

Target

46c5d63508cd0fd45986b60c15e9c98d3ec3082645c29a5f270ef8a3fe2880d4N.exe
Size

98KB
MD5

ebffc1a7adee64ecc2a4e447228ac0e0
SHA1

a2e26f5cef6a19344c7b46a321f05e5385746b77
SHA256

46c5d63508cd0fd45986b60c15e9c98d3ec3082645c29a5f270ef8a3fe2880d4
SHA512

08088e144919590d9b37dd5b486a92b01aaeb290854298d9567556519610941ee96660ed01760bea8776b6a7e0f395e604277e7d8cb594ce9ddc4d6b096b567d
SSDEEP

768:8+6p+OMlgGMCWhfDzU7f7JDgi9I57+sByZ+XsfXpwtG9ipelU9JF:8+mFM2HXKZgi9Iksu+XM57ipeq9JF

Score

10^/10

tinba banker discovery persistence trojan

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker tinba
Tinba family
tinba

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DA4D9F01 = "C:\\Users\\Admin\\AppData\\Roaming\\DA4D9F01\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
548	2640	WerFault.exe	85

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	46c5d63508cd0fd45986b60c15e9c98d3ec3082645c29a5f270ef8a3fe2880d4N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2640	winver.exe
2640	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3440	Explorer.EXE
Token: SeCreatePagefilePrivilege	3440	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2640	winver.exe
3440	Explorer.EXE
3440	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3440	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2668 wrote to memory of 2640	2668	46c5d63508cd0fd45986b60c15e9c98d3ec3082645c29a5f270ef8a3fe2880d4N.exe	85
PID 2668 wrote to memory of 2640	2668	46c5d63508cd0fd45986b60c15e9c98d3ec3082645c29a5f270ef8a3fe2880d4N.exe	85
PID 2668 wrote to memory of 2640	2668	46c5d63508cd0fd45986b60c15e9c98d3ec3082645c29a5f270ef8a3fe2880d4N.exe	85
PID 2668 wrote to memory of 2640	2668	46c5d63508cd0fd45986b60c15e9c98d3ec3082645c29a5f270ef8a3fe2880d4N.exe	85
PID 2640 wrote to memory of 3440	2640	winver.exe	56
PID 2640 wrote to memory of 2612	2640	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2612

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
PID:3440
- C:\Users\Admin\AppData\Local\Temp\46c5d63508cd0fd45986b60c15e9c98d3ec3082645c29a5f270ef8a3fe2880d4N.exe
  "C:\Users\Admin\AppData\Local\Temp\46c5d63508cd0fd45986b60c15e9c98d3ec3082645c29a5f270ef8a3fe2880d4N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2668
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:2640
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2640 -s 352
      4⤵
      Program crash
      PID:548

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 208 -p 2640 -ip 2640
1⤵
PID:2148

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2612-17-0x00007FFFC4190000-0x00007FFFC4191000-memory.dmp

Filesize
4KB

Download
memory/2612-14-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/2640-6-0x00007FFFC3F70000-0x00007FFFC4165000-memory.dmp

Filesize
2.0MB

Download
memory/2640-15-0x0000000000B70000-0x0000000000B76000-memory.dmp

Filesize
24KB

Download
memory/2640-12-0x0000000000B70000-0x0000000000B76000-memory.dmp

Filesize
24KB

Download
memory/2640-4-0x0000000077A32000-0x0000000077A33000-memory.dmp

Filesize
4KB

Download
memory/2668-3-0x00000000021C0000-0x0000000002BC0000-memory.dmp

Filesize
10.0MB

Download
memory/2668-8-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2668-9-0x00000000021C0000-0x0000000002BC0000-memory.dmp

Filesize
10.0MB

Download
memory/2668-0-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/3440-7-0x00007FFFC41A0000-0x00007FFFC41A1000-memory.dmp

Filesize
4KB

Download
memory/3440-10-0x00007FFFC4180000-0x00007FFFC4181000-memory.dmp

Filesize
4KB

Download
memory/3440-5-0x00007FFFC400D000-0x00007FFFC400E000-memory.dmp

Filesize
4KB

Download
memory/3440-1-0x0000000000BE0000-0x0000000000BE6000-memory.dmp

Filesize
24KB

Download
memory/3440-2-0x0000000000BE0000-0x0000000000BE6000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads